//
//  JTool.h
//  PigMarket
//
//  Created by mac on 2019/3/28.
//  Copyright © 2019 felix.pigmarket.oc. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface JTool : NSObject

//获取屏幕宽度比例
+ (float)getScreenWidthScale;
+ (BOOL)iSNull:(id)object;
+ (BOOL)isEmptyInput:(NSString *)txt;
@end

NS_ASSUME_NONNULL_END
